OpenTechnical

OT-2026-000078024

Publication integrity record

Single bellows cup vacuum gripper, common isolation valve, single stage ejector, vented after set-down, on a tool changer

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000078024) never changes.

Identity and time

Publication numberOT-2026-000078024 · never reused
Internal UUID01a0ae95-2f44-7821-ab3c-5558629d65e8 · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:56:47.703064Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000078024
StatusPUBLIC

Content hashes

Canonical text965718c1ade5c94d26199a44a59376991a84cba37f9f0d47d9517624effc734d
Markdown79a05b9269035ca3846e7f56ff83eb1bf78a204371482bc84171f6de11c19f8b
PDF
Publication page63827e946102073d879c2f8ad4ee933c2e1e52c1a4f0bad12ab3dc7879862411
Manifest40cdfe51e280928dccff5bdc4bcb7bfc0bf9c34e185d511224a054bb8f5f6ff8

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureW5ifmsEFLc436waRkUhR8JBOCeYEuRdTs3IAanoT/IX/8HnqXE/mZoTvlxjDMN9wcjGKEARTfkP52WZuhlchCA==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:10:33.278797ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024
observed 63827e946102073d879c2f8ad4ee933c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:33.260121ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024/manifest.json
observed 40cdfe51e280928dccff5bdc4bcb7bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:33.243674ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024/publication.md
observed 79a05b9269035ca3846e7f56ff83eb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:10:33.225919ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024/publication.txt
observed 965718c1ade5c94d26199a44a5937699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.904667ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024
observed 63827e946102073d879c2f8ad4ee933c...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.885287ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024/manifest.json
observed 40cdfe51e280928dccff5bdc4bcb7bfc...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.867352ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024/publication.md
observed 79a05b9269035ca3846e7f56ff83eb1b...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:08:18.847474ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000078024/publication.txt
observed 965718c1ade5c94d26199a44a5937699...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.